Home / 186,976,332.38-281,740,748.44-153,644,352.86

Finding the Fourth Proportional to 186,976,332.38, 281,740,748.44 and 153,644,352.86

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Solution

The fourth proportional to 186,976,332.38, 281,740,748.44 and 153,644,352.86 is: 231,515,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976,332.38 : 281,740,748.44 = 153,644,352.86 : x
  2. Step 2: Convert to fraction form
    186,976,332.38/281,740,748.44 = 153,644,352.86/x
  3. Step 3: Cross multiply
    186,976,332.38x = 281,740,748.44 × 153,644,352.86
  4. Step 4: Simplify right side
    186,976,332.38x = 43,287,874,968,355,856
  5. Step 5: Solve for x
    x = 43,287,874,968,355,856/186,976,332.38
  6. Step 6: Final answer
    x = 231,515,264.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.